Saturday
April 19, 2014

Posts by christen


Total # Posts: 4

physics
Suppose a rocket launches with an acceleration of 39 m/s2. What is the apparent weight of an 90 kg astronaut aboard this rocket?

physics
Suppose that a binary star system consists of two stars of equal mass. They are observed to be separated by 330 million kilometers and take 3.0 Earth years to orbit about a point midway between them. What is the mass of each?

science
How do I know which one is a plant and which one is a plant cell.

3rd grade
26

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